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 # Motoko compiler changelog
 
+## 0.9.2 (2023-06-10)
+
 * motoko (`moc`)
 
+  * BREAKING CHANGE (Minor):
+
+    `or`-patterns in function definitions cannot be inferred any more. The new error
+    message suggests to add a type annotation instead. This became necessary in order
+    to avoid potentially unsound types (#4012).
+
   * Added implementation for `ic0.canister_version` as a primitive (#4027).
 
+  * Added a more efficient `Prim.blobCompare` (#4009).
+
+  * bugfix: minor error in grammar for `async*` expressions (#4005).
+
+* motoko-base
+
+  * Add `Principal.isController` function (dfinity/motoko-base#558).
+
 ## 0.9.1 (2023-05-15)
 
 * motoko (`moc`)